You can drive in it, but if the bead unseats, you will be stuck. My wife's 3 had a flat, the bead unseated and we ended up having to flatbed it to a tire place. I am just thankful it happened near home (subdivision) and not someplace in the middle of nowhere on a day the stores are closed.
2013 BMW 550i M-Sport - ZCW, ZDH, ZEC, ZMP, 2TB
2011 Ford F350 Crew Cab Short bed
2006 BMW 330i Premium, Sport, Automatic, Comfort Access
2004 Lexus GS 430, 2001 GMC Yukon, 1999 Pontiac Grand Prix GTP, 1997 Ford Thunderbird V-8